12750523 has 2 divisors, whose sum is σ = 12750524. Its totient is φ = 12750522.

The previous prime is 12750511. The next prime is 12750559. The reversal of 12750523 is 32505721.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12750523 - 2⁹ = 12750011 is a prime.

It is not a weakly prime, because it can be changed into another prime (12750223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6375261 + 6375262.

It is an arithmetic number, because the mean of its divisors is an integer number (6375262).

Almost surely, 2^12750523 is an apocalyptic number.

12750523 is a deficient number, since it is larger than the sum of its proper divisors (1).

12750523 is an equidigital number, since it uses as much as digits as its factorization.

12750523 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2100, while the sum is 25.

The square root of 12750523 is about 3570.7874481688. The cubic root of 12750523 is about 233.6196306590.

The spelling of 12750523 in words is "twelve million, seven hundred fifty thousand, five hundred twenty-three".